6 Mysterious Objects No One Could Explain, #4 Left Me Shocked!

History is based upon certain assumptions, one can never know the complete truth behind each and every fact in history. Historians have found several artifacts about which they knew nothing – they didn’t know about their origin, why they were created or even how they were built.
This is what makes this field even more interesting. Take a look at the top 6 mysterious objects that historians still haven’t been able to explain.

1. Stone spheres of Costa Rica

These spheres were discovered in 1930s while some workers were clearing the jungle for a banana farm. We still have no idea where these originated from and why they were built. According to some local legends, there was gold inside these spheres, but when they were blaster they turned out to be false. Possible purposes include acting as a barrier between two tribes or to aid in some sort of ritual of the ancient culture.